dblinks

set lines 100

set pages 100

column db_link format a40

column host format a100

select distinct owner from dba_db_links;

select OWNER,DB_LINK,CREATED from dba_db_links;

select OWNER,DB_LINK,CREATED,HOST from dba_db_links;

drop database link &n;

select Host,ACL from dba_network_acls;

find xx*  -type l | xargs ls –ltr